flat

/ˈflat/

Middle English, from Old Norse flatr; akin to Old High German flaz flat, and probably to Greek platys broad

adjective

  1. lying at full length or spread out upon the ground : prostrate

  2. utterly ruined or destroyed

  3. resting with a surface against something

The soldiers were lying flat on the ground.

buildings flat from the blast

level flat plane even smooth mean having a surface without bends, curves, or irregularities. level applies to a horizontal surface that lies on a line parallel with the horizon. flat applies to a surface devoid of noticeable curvatures, prominences, or depressions.

noun

  1. a level surface of land —usually used in plural

  2. a stretch of land without obstacles; especially : a track or course for a flat race —usually used with the

  3. a flat part or surface

adverb

  1. in a flat manner : directly, positively

  2. in a complete manner : absolutely

  3. below the proper musical pitch